Index: 2.4.51/Makefile
===================================================================
--- 2.4.51/Makefile (revision 395)
+++ 2.4.51/Makefile (revision 396)
@@ -73,7 +73,7 @@
REQUIRES += libs/expat/2.5.0
REQUIRES += libs/libxml2/2.11.4
REQUIRES += libs/pcre/8.44
-REQUIRES += libs/zlib/1.2.13
+REQUIRES += libs/zlib/1.3.1
REQUIRES += net/curl/7.75.0
REQUIRES += net/cyrus-sasl/2.1.27
REQUIRES += net/nghttp2/1.43.0